Patrick McGoohan does not receive on-screen acting credit on the final episode "Fall Out." His on-screen credit simply reads "Prisoner."
Portmeirion, Wales is not identified as the location for filming in all but the final episode. Instead the closing credits in these episodes simply say "Filmed on location."
The episode "Fall Out" begins with a special dedication to Sir Clough Williams-Ellis, acknowledging him and the Hotel Portmeirion on screen before the title "Fall Out" appears.
Most (but not all) episodes begin with a recap taken from the first episode of Number Six waking in his "new home" and looking out of his window at the Village. This is followed by a standard dialogue between him and Number Two (i.e. "Where am I?" "In the Village.") which plays out under the episode credits. In most episodes, the actor playing Number Two recites the lines during this sequence, but in some episodes an uncredited male actor does the chore. The sequence is altered on two notable occasions: The Number Two played by Colin Gordon in two episodes introduces himself as "I am Number Two" instead of "The New Number Two" as all other actors do. In the episode "Many Happy Returns" the face of that week's Number Two is not revealed during the sequence in order to preserve the element of surprise.
The closing credits of all but one episode end with footage of "Rover" (the big white balloon) emerging from the sea. The final episode, "Fall Out," omits this footage. The credits of the "alternate" version of "Chimes of Big Ben" don't use this footage either; instead, they end with a crudely animated earth exploding as the word POP fills the screen.
In the two episodes in which Alexis Kanner receives screen credit ("Living in Harmony" and "Fall Out") his name is surrounded by a white box. No other actor's name is emphasized in this way.
The episode "Living in Harmony" does not have opening credits and the series title "The Prisoner" never appears on screen. The episode "Fall Out" also does not have an opening credits sequence, replacing it with a recap of the episode "Once Upon a Time." The series title does appear on-screen, however.
The only episode to feature a pre-credits sequence is "Do Not Forsake Me Oh My Darling."